Investigador asociado. Concurso 2014 BAA de la United States Air Force Office of Scientific Research (AFOSR). Investigador principal: James Liu (Victoria University of Wellington, Nueva Zelandia). Proyecto: BAA-AFOSR-2013-0001 “Implicit and Explicit Attitudes towards America in Socio-Digital Influence: Trust and Social Identity in Cyberspace”.

Coinvestigador principal. Community, Journalism and Communication Research Group, Escuela de Periodismo, University of Texas at Austin (agosto de 2011 a agosto de 2013). Coinvestigador: Homero Gil de Zúñiga. Proyecto: “How interactive and social media technologies are reshaping young people’s civic knowledge, attitudes and behavior”.

Valenzuela, S., Kim, Y., & Gil de Zúñiga, H. (2012). Social networks that matter: Exploring the role of political discussion for online political participation. International Journal of Public Opinion Research, 24, 163-184.

Valenzuela, S. & Arriagada, A. (2011). Politics without citizens? Public opinion, television news, the president and real-world factors in Chile 2000-2005. International Journal of Press/Politics, 16, 357-381.

Valenzuela, S., Park, N., & Kee, K. F. (2009). Is there social capital in a social network site?: Facebook use and college students’ life satisfaction, trust and participation. Journal of Computer-Mediated Communication, 14, 875-901.

Valenzuela, S. (2012). A new typology of power dynamics between journalists and political sources. En M. McCombs & M. M. Algarra (Eds.), Communication and social life. Studies in honor of professor Esteban López-Escobar, Pamplona, España: EUNSA.